Borrowed from Latin cooptāre. IPA(key): /koʔɔpˈtiːʁən/ kooptieren (weak, third-person singular present kooptiert, past tense kooptierte, past participle...
Catalan: cooptar (ca) French: coopter (fr) German: kooptieren (de) Ido: kooptar (io) Italian: cooptare (it) Romanian: cooptare (ro) Russian: принима́ть...